Home / 107,144,053.36-147,890,260.42-69,980,014.87

Finding the Fourth Proportional to 107,144,053.36, 147,890,260.42 and 69,980,014.87

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Solution

The fourth proportional to 107,144,053.36, 147,890,260.42 and 69,980,014.87 is: 96,592,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,144,053.36 : 147,890,260.42 = 69,980,014.87 : x
  2. Step 2: Convert to fraction form
    107,144,053.36/147,890,260.42 = 69,980,014.87/x
  3. Step 3: Cross multiply
    107,144,053.36x = 147,890,260.42 × 69,980,014.87
  4. Step 4: Simplify right side
    107,144,053.36x = 10,349,362,622,775,098
  5. Step 5: Solve for x
    x = 10,349,362,622,775,098/107,144,053.36
  6. Step 6: Final answer
    x = 96,592,972.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.